On this day in 1977, baseball was rocked by one of the sport’s most shocking trades when the New York Mets sent franchise icon and future Hall of Famer Tom Seaver to the Cincinnati Reds in a deal forever known as “The Midnight Massacre.” Seaver spent five-and-a-half seasons in Cincinnati, compiling a 75-46 record with a 3.18 ERA, and throwing the first no-hitter of his legendary career in 1978.